unity赛车游戏系统源码Photon Rally Tutorial 1.06b
Requires Unity 5.2.2 or     higher.
PUN Rally is a complete base project for a multiplayer racing game using Photon, the most popular network platform for Unity.
The project includes all sources and a 30+ pages illustrated tutorial book (PDF) explaining its use of realistic physics, dead-reckoning, checkpoint-based positions, and several other important features of multiplayer games, such as lobby control, car-selection and server-synced race-start.
Features
Realistic physics based on standard colliders, wheel-colliders and rigidbody.
Detailed suspension movement.
Real-time race synchronization over the internet using PUN (Photon Unity Network).
Dead-reckoning techniques to smoothly deal with latency.
Server-synced start and grid spawns.
Checkpoint-based race management (positions, laps, finish, etc).
Custom car selection (prefabs based) for connected players.
Weapon system (beta) optional for combat racing games.